68885890 is an even 8-digits composite number following 68885889
and preceding 68885891 . In scientific notation, it is written as 6.8885890 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 27533296 positive integers (up to 68885890) that are relatively prime to 68885890.
68885890 has 16 divisors, whose sum is 124089408
The reverse of 68885890 is 09858886
Previous prime number is 2423
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-eight million eight hundred eighty-five thousand eight hundred ninety
Scientific notation
6.8885890 × 10^7
Engineering notation
6.8885890 × 10^6
Prime Factorization
2 × 5 × 2423 × 2843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68885890
Product of the distinct prime numbers
The prime factorization of 68885890 is 2 × 5 × 2423 × 2843.
Since it has a total of 4 prime factors.
10 , 9 , 50 , 69 , 132 , 501 , 6237 , 1514 , 32546 , 75151 , 75471 , 636799 , 7684918 , 7449891 , 79370097 , 35915109 , 952677999 , 672410777 , 774874252 , 8863643306
n×2
137771780
n×3
206657670
n×4
275543560
n×5
344429450
n÷2
34442945
n÷3
22961963.333333
n÷3
17221472.5
n÷5
13777178
n2
4745265841092100
n3
3.2688186075023E+23
n4
2.2517547902636E+31
n5
1.5511413278907E+39
2 √n
8299.7524059456
3 √n
409.93036691722
4 √n
91.102976932401
5 √n
36.950987971153
1 , 2 , 5 , 10 , 2423 , 2843 , 4846 , 5686 , 12115 , 14215 , 24230 , 28430 , 6888589 , 13777178 , 34442945 , 68885890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68885889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68885890 can be divided by 16 positive divisors.
The sum of these divisors (counting 68885890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110110001110110000010
3
Ternary
11210121202200021
4
Quaternary
10012301312002
5
Quinary
120113322030
6
Senary
10500244054
8
Octal
406616602
10
Decimal
68885890
12
Duodecimal
1b0a062a
16
Hexadecimal
41b1d82
20
Vigesimal
11aaeea
36
Base36
150goy
md5
36284d034d653547d4d167ec6b4de26a
sha1
201a82a0c84b17f442f55e5c7e7c9ce84d500e70
sha256
d9f0c666c3cdb5402e186ae9e319471d062ae86c39c3664c507a0b5c4b8f93df
sha512
fb02c929f40e7cdcc848af845d6b96475730606808fa8518b5227a7ca38f146098978a2ee9cb5ba3551b57a2453599b0008362cd99eed6500f7b130764bec29e
ripemd-160
10583b708fb8ea2f40c740e6b52b37d55eaedfbf
Diameter
137771780
Circumference
432822811.91999
Area
1.4907692305706E+16
Volume
1.3692395364329E+24
Surface area
5.9630769222822E+16
Circumference
432822811.91999
Perimeter
275543560
Area
4745265841092100
Diagonal
97419359.894141
Surface area
28471595046552600
Volume
3.2688186075023E+23
Space diagonal
119313861.4046
Perimeter
206657670
Area
2.0547603830481E+15
Altitude
59656930.7023
Surface area
2.0547603830481E+15
Volume
3.852339673056E+22
Height
32473119.964714